Making your own sturdy durable wooden plant troughs out of recycled pallets – Scape Interiors West Ltd
How I Made Galvanized Trough Planters : 13 Steps (with Pictures) - Instructables
Mini Manger Trough Planters - Garden Planters at Harrod Horticultural
Large Wooden Garden Planter / Raised Bed / Herb Garden (120cm / 4ft Long x 30cm / 12" high) Delivered fully assembled. Just add plants! : Amazon.co.uk: Garden